28701541407 has 48 divisors (see below), whose sum is σ = 48593526912. Its totient is φ = 14900719680.

The previous prime is 28701541399. The next prime is 28701541409. The reversal of 28701541407 is 70414510782.

It is not a de Polignac number, because 28701541407 - 2³ = 28701541399 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28701541409) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3208513 + ... + 3217445.

It is an arithmetic number, because the mean of its divisors is an integer number (1012365144).

Almost surely, 2^28701541407 is an apocalyptic number.

28701541407 is a deficient number, since it is larger than the sum of its proper divisors (19891985505).

28701541407 is a wasteful number, since it uses less digits than its factorization.

28701541407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10948 (or 10941 counting only the distinct ones).

The product of its (nonzero) digits is 62720, while the sum is 39.

The spelling of 28701541407 in words is "twenty-eight billion, seven hundred one million, five hundred forty-one thousand, four hundred seven".